Getty Images 06-08-2011 Dirk Nowitzki of the Dallas Mavericks struggles for the ball…

Full Size JPG (3294 KB) Dirk Nowitzki of the Dallas Mavericks struggles for the ball against the Miami Heat during Game 4 of the NBA Finals at the AmericanAirlines Center in Dallas on June 7, 2011. Nowitzki scored 10 of his 21 points in the fourth quarter as the Dallas Mavericks beat the Miami Heat 86-83 to level their NBA Finals series at two games each. AFP PHOTO/Mark RALSTON (Photo credit should read MARK RALSTON/AFP/Getty Images) site dallas mavericks schedule